Congress trades in Intuitive Surgical (ISRG)
11 of the members we track disclosed 23 purchases of ISRG between 2023-01-31 and 2026-03-27, and 26 sales. Here is what the stock did afterwards.
Every purchase is measured over the three months after the transaction date, against XLV — the ETF standing in for Healthcare & Pharma — over exactly the same dates. The second figure is the one that carries information: the first mostly reflects what the sector did. How ISRG was classified.
How these buys are tagged
5 of these purchases were made by a member whose own committee oversees Healthcare & Pharma. 9 are marked Cluster: A buy is marked Cluster when at least one other tracked member of Congress bought the same stock within 30 days of it, regardless of committee membership.
| Buys | Number | Return after 3 months | vs. sector | Beat their sector |
|---|---|---|---|---|
| All buys | 23 | +1.6% | +0.6% | 48% |
| Notable (committee-flagged) | 5 | +5.6% | +0.6% | 60% |
| Unaligned (no committee overlap) | 18 | +0.5% | +0.6% | 44% |
| Cluster, excl. mega-caps | 9 | +5.0% | +3.8% | 67% |
| Not clustered, excl. mega-caps | 14 | -0.6% | -1.4% | 36% |
Who bought the most
- Gilbert Ray Cisneros, Jr. — 4 buys
- Josh Gottheimer — 4 buys
- Greg Landsman — 4 buys
- Markwayne Mullin — 2 buys
- Lisa C. McClain — 2 buys
Every disclosed purchase
| Member | Bought disclosed |
Signal | Price | 1W | 1M | 3M | vs sector |
|---|---|---|---|---|---|---|---|
| Alan Armstrong | 2026-03-27 2026-07-21 |
Notable | $452.66 | -0.1% | +6.5% | -10.6% | -22.5% |
| Gilbert Ray Cisneros, Jr. | 2026-01-30 2026-02-13 |
Unaligned | $504.22 | -3.2% | -0.1% | -9.2% | -3.0% |
| Markwayne Mullin | 2025-12-29 2026-01-16 |
Unaligned Cluster | $575.40 | -1.6% | -9.3% | -21.3% | -13.6% |
| Gilbert Ray Cisneros, Jr. | 2025-12-10 2026-01-12 |
Unaligned Cluster | $555.92 | +0.2% | +5.5% | -11.3% | -11.8% |
| Gilbert Ray Cisneros, Jr. | 2025-11-18 2025-12-15 |
Unaligned | $546.77 | +5.9% | +2.8% | -9.8% | -12.9% |
| Markwayne Mullin | 2025-09-24 2025-10-01 |
Unaligned | $443.99 | -1.3% | +23.1% | +30.0% | +15.8% |
| Lisa C. McClain | 2025-07-10 2025-08-13 |
Unaligned | $526.05 | -1.9% | -10.6% | -15.6% | -21.4% |
| Jefferson Shreve | 2025-05-08 2025-06-22 |
Unaligned | $538.16 | +4.1% | +3.5% | -12.7% | -8.9% |
| Bruce Westerman | 2025-03-03 2025-04-16 |
Unaligned | $566.98 | -14.9% | -10.6% | -2.4% | +8.9% |
| Gilbert Ray Cisneros, Jr. | 2025-01-30 2025-02-11 |
Unaligned | $580.18 | +1.4% | -1.2% | -10.9% | -3.6% |
| Lisa C. McClain | 2024-12-11 2025-08-13 |
Unaligned | $543.60 | -3.2% | +0.7% | -8.5% | -10.2% |
| Josh Gottheimer | 2024-07-22 2024-08-15 |
Unaligned | $461.12 | -3.8% | +5.7% | +12.5% | +10.8% |
| Josh Gottheimer | 2024-06-25 2024-07-09 |
Unaligned Cluster | $442.31 | -0.8% | -1.3% | +9.5% | +4.4% |
| Greg Landsman | 2024-06-20 2024-08-14 |
Notable Cluster | $432.55 | +2.9% | +5.2% | +13.3% | +6.8% |
| Josh Gottheimer | 2024-01-29 2024-02-15 |
Unaligned | $379.16 | +1.3% | +2.0% | -1.3% | -1.5% |
| Greg Stanton | 2023-09-26 2023-11-09 |
Unaligned | $290.74 | -0.9% | -10.7% | +16.0% | +11.8% |
| William Keating | 2023-07-20 2023-07-31 |
Unaligned | $347.66 | -6.9% | -17.8% | -21.3% | -16.7% |
| Greg Landsman | 2023-05-30 2024-08-14 |
Notable Cluster | $307.07 | +2.8% | +10.2% | +1.1% | -5.4% |
| Greg Landsman | 2023-05-04 2024-08-14 |
Notable Cluster | $303.21 | +0.1% | +3.0% | +2.7% | +2.3% |
| Josh Gottheimer | 2023-05-01 2023-06-11 |
Unaligned Cluster | $303.02 | +0.0% | +1.6% | +7.1% | +7.1% |
| Dan Goldman | 2023-03-06 2023-04-17 |
Unaligned | $234.85 | -3.0% | +9.9% | +35.2% | +33.9% |
| Greg Landsman | 2023-02-01 2024-08-14 |
Notable Cluster | $251.19 | -0.9% | -6.5% | +21.4% | +21.8% |
| Dan Goldman | 2023-01-31 2023-02-24 |
Unaligned Cluster | $245.69 | +3.0% | -6.8% | +22.6% | +22.4% |
Prices are the closing price on the transaction date, not what was paid: filings never disclose an execution price. Blank figures mean the window has not elapsed yet. Sales are not scored — a sale closes a position rather than opening one — so the 26 disclosed sales of ISRG are not in this table.
Download the data behind this page, or read how every figure is calculated. Trades in ISRG are a small part of the full rankings, which score each member across everything they bought.
Data last updated .